snakekeylogger | 01c5e22e0947ce7bee51215874fda131e330d5bf70db9ac34ca5854b35d96783

General

Target

UBS20240190101.exe
Size

996KB
MD5

9d6d766bbc9e1f2384bc31f297b4dbb9
SHA1

8f6ca29b1bde72b85da4c6bd2933aabb46e67ab3
SHA256

01c5e22e0947ce7bee51215874fda131e330d5bf70db9ac34ca5854b35d96783
SHA512

ec442e988964e237df6d56ea8b3d2dbd73e1bb8a68cb6f09389b679a767ba12bd615ba81f5046c94d3545d16bb89b5e6841d92da2768701a084ddc09052ae7f2
SSDEEP

24576:1u6J33O0c+JY5UZ+XC0kGso6FaXJnBWO98ZmhWY:Xu0c++OCvkGs9FaXJnXgY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.alotemizlik.com.tr
Port:
587
Username:
[email protected]
Password:
GB63xz79
Email To:
[email protected]

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/516-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
14	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4880 set thread context of 516	4880	UBS20240190101.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UBS20240190101.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
516	RegSvcs.exe
516	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4880	UBS20240190101.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	516	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4880	UBS20240190101.exe
4880	UBS20240190101.exe
4880	UBS20240190101.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4880	UBS20240190101.exe
4880	UBS20240190101.exe
4880	UBS20240190101.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 516	4880	UBS20240190101.exe	83
PID 4880 wrote to memory of 516	4880	UBS20240190101.exe	83
PID 4880 wrote to memory of 516	4880	UBS20240190101.exe	83
PID 4880 wrote to memory of 516	4880	UBS20240190101.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\UBS20240190101.exe
"C:\Users\Admin\AppData\Local\Temp\UBS20240190101.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\UBS20240190101.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/516-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/516-8-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

Filesize
4KB

Download
memory/516-9-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/516-10-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

Filesize
624KB

Download
memory/516-11-0x0000000073DC0000-0x0000000074570000-memory.dmp

Filesize
7.7MB

Download
memory/516-12-0x00000000060C0000-0x0000000006110000-memory.dmp

Filesize
320KB

Download
memory/516-13-0x00000000062E0000-0x00000000064A2000-memory.dmp

Filesize
1.8MB

Download
memory/516-14-0x00000000061B0000-0x0000000006242000-memory.dmp

Filesize
584KB

Download
memory/516-15-0x0000000006140000-0x000000000614A000-memory.dmp

Filesize
40KB

Download
memory/516-16-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

Filesize
4KB

Download
memory/516-17-0x0000000073DC0000-0x0000000074570000-memory.dmp

Filesize
7.7MB

Download
memory/4880-6-0x0000000001050000-0x0000000001450000-memory.dmp

Filesize
4.0MB

Download

Analysis

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